如今网络上到处都是免费的教育资源，真正稀缺的是对学习的渴望。

我们都有裂痕，那是光照进来的地方。

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.

Confidence is key, but arrogance will destroy you.

最好的书是读完后仍长久留在你心中的书。